Breathing mask for physical exercise



FIG. 1 is a front, right perspective view of the breathing mask forphysical exercise;

FIG. 2 is a right side view thereof;

FIG. 3 is a top perspective view thereof;

FIG. 4 is a front view thereof;

FIG. 5 is a rear view thereof;

FIG. 6 is a left side view thereof; and,

FIG. 7 is a bottom perspective view thereof.

The strap shown in broken lines in the drawings illustratesenvironmental subject matter and forms no part of the claimed design.All other broken lines shown in FIGS. 1, 2, 6, and 7 illustrate portionsof the breathing mask for physical exercise that form no part of theclaimed design.

CLAIM The ornamental design for a breathing mask for physical exercise,as shown and described.